MCQOPTIONS
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| 1. |
A bar magnet has a length 8 cm. The magnetic field at a point at a distance 3 cm from the centre in the broad side-on position is found to be\[4\times {{10}^{-6}}T\]. The pole strength of the magnet is. |
| A. | \[6\times {{10}^{-5}}Am\] |
| B. | \[5\times {{10}^{-5}}Am\] |
| C. | \[2\times {{10}^{-4}}Am\] |
| D. | \[3\times {{10}^{-4}}Am\] |
| Answer» B. \[5\times {{10}^{-5}}Am\] | |